7790 vs gtx 650 ti

Solution
The winner is the 7790 due to slightly more Stream Processors (almost similar to CUDA cores) and slightly more memory clock.

HD 7790:http://www.amd.com/us/products/desktop/graphics/7000/7790/Pages/radeon-7790.aspx#3

1000MHz Engine Clock
1GB GDDR5 Memory
1500MHz Memory Clock (6.0 Gbps GDDR5)
96GB/s memory bandwidth (maximum)
14 Compute Units (896 Stream Processors)
56 Texture Units
64 Z/Stencil ROP Units
16 Color ROP Units
Dual Geometry Engines
128-bit GDDR5 memory



650 ti: http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-650ti/specifications

768 CUDA Cores
928 MHzBase Clock
59.2Texture Fill Rate (billion/sec)
Memory Specs:
5.4 GbpsMemory Clock
1024 MBStandard Memory Config
GDDR5Memory Interface
128-bitMemory Interface...
The winner is the 7790 due to slightly more Stream Processors (almost similar to CUDA cores) and slightly more memory clock.

HD 7790:http://www.amd.com/us/products/desktop/graphics/7000/7790/Pages/radeon-7790.aspx#3

1000MHz Engine Clock
1GB GDDR5 Memory
1500MHz Memory Clock (6.0 Gbps GDDR5)
96GB/s memory bandwidth (maximum)
14 Compute Units (896 Stream Processors)
56 Texture Units
64 Z/Stencil ROP Units
16 Color ROP Units
Dual Geometry Engines
128-bit GDDR5 memory



650 ti: http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-650ti/specifications

768 CUDA Cores
928 MHzBase Clock
59.2Texture Fill Rate (billion/sec)
Memory Specs:
5.4 GbpsMemory Clock
1024 MBStandard Memory Config
GDDR5Memory Interface
128-bitMemory Interface Width
86.4Memory Bandwidth (GB/sec)


Enjoy !
 
Solution